Surface Protective Materials for Manufacturing and Shipping of Smartphones and Touchscreens E-MASK™ AW series

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Reapplicable protective materials with superior wettability

Polyester-based protective film E-MASK AW series adopt polyurethane adhesive to offer superior wettability, and is best suited for protection of touchscreens during manufacturing process and shipping, as well as for protection of smartphones and tablet PCs during shipping.


  • Superior wettability allows easy reapplication.
  • Stable adhesion lasts without degradation over time.
  • Superior in low staining properties.
  • Excellent static control to cause no damage to sensors and repel foreign materials at peeling 
 Anti-static property
Problem in general protection films with silicone-based adhesive  AW seiries
Repetitive application of the film infuses dust Superior anti-static property repels dust
 Low staining property
Glass surface reject LOCR due to staining caused by adhesive residue Glass surface doesn’t reject LOCR as no staining caused by adhesive residue


strength (HC-side)※3
ESD properties
to glass※4
Antistatic rate
on PET surface※5
AW303EB 0.048 0.01 0.02 0.02 0 >1013
  • ※ The value excludes thickness of release liner. 
  • ※ Tensile speed: 300 mm/min, tensile angle: 180 degrees, measured 20 to 40 minutes after lamination 
  • ※ Tensile speed: 300 mm/min, tensile angle: 180 degrees, measured 20 to 40 minutes after lamination
  • ※ Condition: 23 degrees C  x  50% Rh, tensile speed: 10 m/min, measured length: 100mm, measured with withstand voltage testing device
  • ※ Voltage: 100 V, duration: 10 seconds,  by resistivity meter (ring electrode type)


  • Protection of smartphones and mobile phones during shipping
  • Protection of touchscreens during manufacturing process
  • Protection of touchscreens during shipping


  • Avoid sunlight and store at room temperature and moderate humidity.
  • Do not press too strong when applying. This may cause the end of the tape to peel.
  • If applying to surfaces treated with machining oil, degrease the surface carefully. Any remains will be a cause for surface contamination or adhesive residue.
  • For use under severe conditions, please test and evaluate the product thoroughly beforehand.
  • Painting, plating, etching, or gluing the surface after peeling the tape may be troublesome due to the small amount of residue of the adhesive. Please inspect under actual situations thoroughly before application.
  • Painted boards, depending on conditions such as paint baking, may cause the tape to peel uneasily or peel off the paint together. Please evaluate thoroughly beforehand.
  • Surface treated boards such as alumite, depending on treatment conditions, may show different properties (peeling) of SPV. Please evaluate thoroughly beforehand.
  • Especially for applications against natural substrate (marble stone, lumber, etc) please contact our sales representative in charge.
  • The above datasheet is a sample observation value under certain testing conditions, not guaranteed performance.
  • The quality, performance, and/or functions of this product will differ according to the conditions of use. Please contact our department in charge for full details of this product.
  • Under severe conditions, this product may show difference between the sample observed values and the actual performance. Please test and evaluate the product thoroughly for your safety and better results.
  • This product and/or its features may change or be discontinued without any prior notice.
  • The intellectual property rights of this document belongs to Nitto Denko Corporation. Please contact our department in charge for usage not in accordance of the intended use. Copying and/or reproducing the document without notice are strictly prohibited. All rights reserved.
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